QR codes, invented in 1994 by Japanese engineer Masahiro Hara, are a type of matrix barcode to store digital information efficiently. Using a QR code scanner, the data embedded in these codes can be quickly retrieved, making them an important tool in today’s digital world. In India, QR codes have become central to cashless and UPI transactions, carrying the recipient’s identification details for seamless payments.

QR codes are highly versatile due to their data capacity, capable of storing thousands of characters, including numbers, letters and even binary data. Their compact size allows them to be printed in small spaces, making them easy to integrate into various applications. Additionally, QR codes feature error correction technology, which ensures they can still be scanned even if par

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